Umm, I use Smugmug.com for all my photography.....
Unlimited storage space, and a healthy amount of bandwidth each month. I use it as a backup of all my photos. You can hide galleries and put passwords on them too.
It's pretty easy to use, and only $30/year. You can save a few quid more by using my referrer code: JyZcG7XRRRZgc.
On the downside you don't have total control over how things are laid out, but you can still faff around a fair bit with the layout, if you get a "professional" account (doesn't cost much more).
I'd prefer if I could customise the design of everything a bit better, it'd be excellent if the site used proper tableless CSS, so that I really could control the layout precisely....
Thats my tuppence worth....
Alan
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http://agraham.smugmug.com